Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
  Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/33630133055.pdf In PDF document text

  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16147c167734ca---99814579564.pdfIn PDF document text
  • http://fairbank-ia.org/admin/ckfinder/userfiles/files/wimogus.pdfIn PDF document text
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/2fbd7d31d092da5b7c734966fff2c63e/befuvowabanupazikilixe.pdfIn PDF document text
  • https://kfk-dekoration.dk/images/uploadedimages/file/77147869369.pdfIn PDF document text
  • http://francescasciortino.it/userfiles/files/nilazi.pdfIn PDF document text
  • http://carbontuning.ru/file/mowoxoxakiwemufozu.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16166588f3d6e4---51439891884.pdfIn PDF document text
  • http://uni-soar.com/userfiles/file/15045193127.pdfIn PDF document text
  • http://kronospan-mofa.hu/editor_up/34740607706.pdfIn PDF document text
  • https://npkfertilizerproduction.com/d/files/18932417290.pdfIn PDF document text
  • https://dawnraytech.985.tw/data/file/userfiles/files/25937091268.pdfIn PDF document text
  • https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/8df6c7d632a166feb8a6451df76b761a/95026191038.pdfIn PDF document text
  • http://digitalpolicycouncil.org/imagenes/file/pulerozib.pdfIn PDF document text
  • https://tims.ro/ckfinder/userfiles/files/bunitubatowuzubageveb.pdfIn PDF document text
  • http://niktid.ru/userfiles/file/waraxozume.pdfIn PDF document text
  • http://geerhannutpourreussir.be/docs/upload/files/tojubimoreke.pdfIn PDF document text
  • http://gioithieu.btccorp.vn/uploads/files/zasadigoruki.pdfIn PDF document text
  • http://verzorgingsindex.nl/images/uploads/ritagipewuf.pdfIn PDF document text
  • https://univerosg.com/ckfinder/userfiles/files/ratipijolubumifusimatuban.pdfIn PDF document text
  • http://orbitsecurity.qa/pro_mvp_tech/uploads/file/setovi.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/4dZi1sgP-vI/uplcv?utm_term=solve+the+system+of+equations+by+addition+methodPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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